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Sourcing flowers from Ontario farms, a region-by-region checklist

Sourcing a florist bouquet from Ontario farms: named growers, co-ops, season windows, Toronto and Ottawa wholesale terms and registration checks.

What to take away

  • A florist bouquet built on Ontario stems needs three filesa named farm list, a season calendar and a supplier credit record.
  • Named growers to call first include Country Cut Flowers in Newmarket, Dahlia May Flower Farm in Trenton, Pioneer Flower Farms in Beamsville, Harster Greenhouses in Dundas and My Luscious Backyard in Toronto.
  • The two co-op and association routes are the Ontario Flower Growers Co-operative in Mississauga and Flowers Canada Growers in Guelph.
  • Ottawa buyers work through Just Food Farm in Blackburn Hamlet, Kiwi Gardens near Perth and named Valley growers such as Green Corners Farm, which sells at the Ottawa Farmers' Market at Lansdowne.
  • Toronto wholesale terms commonly quoted run $250 to $500 per delivery minimum, a 48-hour cut-off, Monday, Wednesday and Friday drops, and net 14 to net 30 after a credit check.
  • Verify every supplier on the Ontario Business Registry before you send a deposit, and on the federal corporations search if they claim federal incorporation.

Ontario flower growing regions and what each supplies

Ontario does not have one flower belt. It has several, and each sells a different mix at a different time. A florist bouquet programme that ignores this ends up chasing Niagara peonies in an Ottawa week when nothing local is cut.

Ontario Flower Regions and Crops

Niagara/Norfolk

Crops
Tulips, peonies, lilies
Season
Long frost-free
Soil
Sandy
Key feature
Outdoor engine

Holland Marsh

Crops
Ranunculus, anemones, stock
Season
Cool, wet spring
Soil
Muck
Key feature
Cool-season material

Greenhouse

Crops
Roses, carnations, mums
Season
Year-round
Soil
Greenhouse
Key feature
Volume supply

Eastern/Ottawa

Crops
Peonies, dahlias, zinnias
Season
Later, shorter
Soil
Mixed
Key feature
Dried/preserved trade

The Niagara Peninsula and the Norfolk County sand plain are the province's outdoor cut-flower engine. Warm lake air, sandy soils and long frost-free windows give growers tulips, daffodils, peonies, lilies and gladioli in sequence. Field-grown foliage for mixed work comes off the same farms.

The Holland Marsh and the surrounding Bradford and Keswick area supply cool-season material: ranunculus, anemones, stock, snapdragons and sweet peas. Muck soils and a shorter, wetter spring suit those crops better than the dry Niagara plain.

The greenhouse corridor from the Holland Marsh through Vaughan and Stouffville toward Barrie is where volume lives. Roses, carnations, chrysanthemums, gerberas and potted product move out of it year round. For a Toronto shop it is the closest thing to local supply in February.

Eastern Ontario and the Ottawa Valley run a later calendar. Spring arrives a week or two behind Niagara and the outdoor season ends earlier. Growers around Ottawa, Kemptville and Renfrew supply peonies, dahlias, zinnias and sunflowers, plus a strong dried and preserved trade.

Southwestern Ontario, around Chatham-Kent and London, sits between the two. It supplies field stock, some greenhouse product and a steady volume of filler and foliage. For shops in London, Windsor or Kitchener it is often the shortest haul.

Vineland Research and Innovation Centre at Vineland Station publishes cut-flower cultivar trials, which is worth reading before you commit to a peony or dahlia variety. The Agriculture and Food Statistics tables from Statistics Canada cover horticulture production and farm-gate values.

Pick two regions, not five. A Toronto florist bouquet line runs more easily on Niagara field stock plus the greenhouse corridor than on six small suppliers spread across the province.

Named Ontario flower farms and growers' co-ops worth contacting

These are real operations Ontario florists deal with, with a location and a way in. Confirm current terms before you order, because crop plans shift and several of these sell retail alongside wholesale.

Named Ontario Flower Suppliers

Supplier

Ontario Flower Growers Co-op
Mississauga
Flowers Canada Growers
Guelph
Pioneer Flower Farms
Beamsville
Harster Greenhouses
Dundas
Country Cut Flowers
Newmarket
Dahlia May Flower Farm
Trenton

Location

Ontario Flower Growers Co-op
Consolidated cut flowers
Flowers Canada Growers
Association directory
Pioneer Flower Farms
Greenhouse roses, gerberas
Harster Greenhouses
Potted mums, geraniums
Country Cut Flowers
Tulips, ranunculus, dahlias
Dahlia May Flower Farm
Dahlias, peonies, tulips

Supplies

Ontario Flower Growers Co-op
Buyer desk
Flowers Canada Growers
Member directory
Pioneer Flower Farms
Wholesale desk
Harster Greenhouses
Order desk
Country Cut Flowers
Weekly order list
Dahlia May Flower Farm
Wholesale list

Contact

Ontario Flower Growers Co-op
Flowers Canada Growers
Pioneer Flower Farms
Harster Greenhouses
Country Cut Flowers
Dahlia May Flower Farm

Named Ontario flower farms

SupplierLocationWhat they supplyContact route
Ontario Flower Growers Co-operativeMississaugaConsolidated Ontario cut flowersBuyer desk; daily availability list by email
Flowers Canada GrowersGuelphAssociation and grower directoryMember directory by crop and region; site contact form
Pioneer Flower FarmsBeamsville, NiagaraGreenhouse roses, gerberas, chrysanthemumsWholesale order desk by phone; scheduled Toronto drops
Harster GreenhousesDundasPotted mums, geraniums, seasonal potsOrder desk by phone or email; book two to three weeks ahead
Country Cut FlowersNewmarket, York RegionTulips, ranunculus, dahlias, mixed field bouquetsWeekly order list by email; farm stand pickup
Dahlia May Flower FarmTrenton, Bay of QuinteDahlias, peonies, tulipsWholesale email list; posted pickup and delivery days
My Luscious BackyardTorontoSmall weekly volumes of seasonal cutsEmail list; city pickup
Terre BleuMiltonLavender and dried bundlesFarm shop; wholesale enquiry by email
Prince Edward County LavenderHillierLavender and dried materialFarm shop; dried lines wholesale by email
Just Food FarmBlackburn Hamlet, OttawaIncubator site hosting several flower growersBuyer days by email through the grower list
Kiwi GardensPerth, OntarioUnusual perennials and cut stemsPhone ahead; nursery pickup only
Green Corners FarmOttawa areaSeasonal cut flowers and produceOttawa Farmers' Market at Lansdowne; market vendor listing

The Ontario Flower Growers Co-operative, based in Mississauga, is the main co-operative channel for Ontario-grown cut flowers. Buyers get one invoice, one delivery point and access to several farms at once. Ask for the daily availability list and the standing-order sheet, since terms are set per drop rather than per grower.

Flowers Canada Growers, based in Guelph, is the industry association for Canadian flower growers. Its member directory is the fastest way to find a grower by crop and region, and membership is a reasonable signal of a commercial operation rather than a hobby plot.

Country Cut Flowers in Newmarket suits a Toronto shop that wants field material without a long haul. Expect a weekly order list, set cut-off and pickup at the farm stand rather than a city drop.

Dahlia May Flower Farm at Trenton covers the Bay of Quinte and ships into Toronto on set days. Peonies and tulips come early, dahlias run to frost. Sign up to the wholesale list and book volume in February.

My Luscious Backyard in Toronto is an urban farm selling small weekly volumes to city florists. It will not carry your whole line. It will fill a local-stem claim on a menu, which matters for retail pricing.

For greenhouse product, Pioneer Flower Farms at Beamsville supplies roses, gerberas and chrysanthemums on scheduled Toronto runs. Harster Greenhouses at Dundas is the stronger choice for potted mums and geraniums, ordered weeks ahead of the season.

For dried and lavender work, Terre Bleu at Milton and Prince Edward County Lavender at Hillier both sell wholesale on top of farm shop trade. Ask for stem length and bunch weight before you commit.

Green Corners Farm sells at the Ottawa Farmers' Market at Lansdowne, which is where Ottawa florists buy Valley stems in season. The market vendor listing is the route to the stall.

A co-op is not a substitute for a supplier file. Keep a page per grower with crop, region, season, minimum, cut-off and payment terms. That file is the backbone of your inventory and sourcing decisions.

For national and regional names beyond Ontario, our list of florist suppliers is the next place to look.

Season windows for Ontario-grown blooms in Toronto and Ottawa

Ontario season windows are shorter than most florists assume. Field material runs hard from May to September and thins out fast after the first heavy frost. Greenhouse material fills the gap at a different price.

Ontario Flower Season Windows

  1. March-May
    Tulips and daffodils
  2. April-June
    Ranunculus and anemones
  3. Late May-mid June
    Peonies
  4. June-August
    Lilies
  5. July-September
    Gladioli
  6. July-first frost
    Dahlias
  7. July-September
    Sunflowers and zinnias
  8. September-November
    Chrysanthemums

Use this table as a planning guide, not a contract. Dates shift with the weather, and Ottawa runs about one to two weeks behind Toronto in spring and ahead in autumn frost.

Season windows for Ontario blooms

CropTypical Ontario windowMain regionsNotes for Toronto and Ottawa shops
Tulips and daffodilsMarch to MayNiagara, Holland MarshGreenhouse tulips start earlier; field tulips peak in April
PeoniesLate May to mid JuneNiagara, Ottawa ValleyShort and intense; book volume in February
Ranunculus and anemonesApril to JuneHolland Marsh, NiagaraCool-season crops; quality falls in heat
LiliesJune to AugustNiagara, southwestern OntarioGreenhouse lilies extend the window
GladioliJuly to SeptemberNiagara, southwestern OntarioGood volume for sympathy and event work
DahliasJuly to first frostNiagara, Ottawa ValleyOttawa season ends earlier; store cool
Sunflowers and zinniasJuly to SeptemberAll outdoor regionsPeak in August; watch stem length
ChrysanthemumsSeptember to NovemberGreenhouse corridor, NiagaraStrong autumn crop for potted and cut
Kale and dried materialOctober to DecemberOttawa Valley, NiagaraDried stems store well into winter

Toronto shops get the longest effective window because they can pull from Niagara, the greenhouse corridor and southwestern Ontario in the same week. Ottawa shops work a tighter calendar and lean harder on the Valley and on greenhouse product.

Plan your inventory planning around these windows. If you commit to local peonies in June, you need a plan for what replaces them in July.

One working rule: keep local supply under about a third of your weekly stem buy until you have run a full season with a grower. Local quality is good. Consistency is what keeps a florist bouquet programme profitable.

Wholesale terms, minimums and delivery for Ontario florists

Wholesale terms in Ontario vary more than most new buyers expect. A greenhouse operation in Vaughan and a two-acre Valley farm are both called wholesalers, and they work nothing alike.

Wholesale Terms: Toronto vs Ottawa

Term

Minimum per delivery
$250-$500 greenhouse; $150-$300 field
Order cut-off
48 hours; 24 rush
Delivery days
Mon, Wed, Fri; Niagara Tue/Thu
Freight
Free above $400-$600; $25-$45 below
Payment
Prepay first, then net 14-30

Toronto and 905

Minimum per delivery
$100-$250 or by bunch
Order cut-off
24-48 hours
Delivery days
One run Tue or Thu
Freight
Shared run cost split
Payment
Net 7-14, sometimes prepay

Ottawa and Valley

Minimum per delivery
Order cut-off
Delivery days
Freight
Payment

Ask for these terms in writing before your first order:

  1. Minimum order value, quoted per delivery rather than per week.
  2. Order cut-off time and the days the truck actually runs.
  3. Delivery radius, freight charge and any free-freight threshold.
  4. Packaging formatbuckets, sleeves, boxes and deposit on returns.
  5. Payment terms, first-order deposit and substitution policy on short crops.

Here is what those terms commonly look like across the two main buying markets.

Wholesale terms by region

Toronto and the 905 core

Minimum per delivery
$250 to $500 greenhouse; $150 to $300 field
Order cut-off
48 hours; 24 hours at a rush fee
Delivery days
Monday, Wednesday, Friday; Niagara Tuesday and Thursday
Freight
Free above $400 to $600; $25 to $45 below
Payment
Prepay first order, then net 14 to net 30

Ottawa and the Valley

Minimum per delivery
$100 to $250, often quoted by bunch count
Order cut-off
24 to 48 hours by email or text
Delivery days
One consolidated run, usually Tuesday or Thursday
Freight
Shared run cost split between buyers
Payment
Net 7 to net 14, sometimes prepay

Toronto wholesale terms tend to be the most formal. Greenhouse suppliers in the Vaughan and Stouffville corridor run scheduled delivery days, set minimums by drop, and open net terms only after a trade reference and a credit check. Expect delivery windows rather than exact times.

Toronto wholesale flowers also consolidate through the Ontario Food Terminal area and through co-op pickup points. Buying through the co-operative gives you one invoice and one delivery, which cuts admin but adds a margin layer you should price into your bouquet costs.

Ottawa sourcing options work differently. Ottawa Farmers' Market at Lansdowne on Sundays and the Orléans market are where several Valley growers sell, including Green Corners Farm, and Parkdale Market in Hintonburg and the ByWard Market carry local stems in season. Just Food Farm in Blackburn Hamlet runs buyer days where you can meet several growers at once.

Most Valley growers will not deliver into the city on their own. Florists commonly set up one shared Tuesday run from a Carp or Ashton farm, or pick up at Kiwi Gardens near Perth. Minimums are lower in dollars but higher in commitment: a small grower may ask for a fixed number of bunches each week for the season.

Payment discipline matters. Most Ontario growers are small businesses with real cash-flow pressure. Paying net 7 when the terms say net 7 buys you priority allocation in a short crop year.

Our stock control checklist covers tying supplier terms to what is actually on the shelf.

Verifying supplier registration and incorporation before committing

A new supplier is a credit risk, a tax risk and occasionally a fraud risk. Ten minutes of checking removes most of it.

Supplier Verification Checklist

  • Search Ontario Business Registry for active status
  • Check federal incorporation if claimed
  • Confirm CRA business number and GST/HST registration
  • Ask for WSIB coverage or clearance certificate
  • Verify CFIA and CBSA paperwork for imports
  • Review employment practices for seasonal workers

Start with the Ontario Business Registry. Search the legal name and any operating name and confirm the entity is active and in good standing. The same registry is where you renew your own Ontario florist business registration, so you will be using it anyway.

If the supplier claims federal incorporation, run the federal corporations search. It confirms the corporation exists, its status and its jurisdiction. A supplier that appears in neither the provincial nor the federal register is a supplier to avoid.

Ask for the CRA business number and confirm GST/HST registration. If they charge GST/HST, they should be registered. If they are not registered and still charge it, walk away.

Check whether the grower carries WSIB coverage or the provincial equivalent, and ask for a clearance certificate if they will work on your premises. For Ontario suppliers, WSIB is the relevant body.

If the supplier imports plant material, ask about CFIA phytosanitary requirements and CBSA clearance. A grower who imports cuttings without paperwork can pass a compliance problem down to you.

Employment practices matter too. Seasonal operations may use the temporary foreign worker programme run through Employment and Social Development Canada. That is normal and legal, and it means the operation carries federal reporting duties.

For suppliers outside Ontario, the same logic applies in their own registry. Saskatchewan agriculture and natural resources and Quebec agriculture, environment and natural resources information are the provincial starting points for growers in those provinces.

Finally, keep a signed supply agreement, or at least a written price list and a terms email. Ontario consumer protection rules cover some transactions, but a commercial supply dispute is best settled by a clear written record.

Building a region-by-region sourcing checklist

Run these checks once per region, then again each season. Doing it properly takes about an hour per supplier and saves far more than that in dead stems and unpaid invoices.

Region checks:

  • Region name and the towns or counties it covers.
  • Crops that region grows in volume.
  • Season windowfirst and last cut week for each main crop.
  • Minimum order, quoted per delivery rather than per week.
  • Order cut-off time.
  • Delivery day or pickup day, and who runs the truck.
  • Payment terms, deposit and substitution policy.

Region-by-Region Sourcing Checklist

  • Confirm crops supplied inside buying window
  • Name at least two growers per region
  • Match grower to season table and review date
  • Set volume share for local stems
  • Note shortest haul and shared run
  • Confirm legal name on Ontario Business Registry
  • Collect CRA number and GST/HST registration
  • Get written price list with validity dates

Supplier file checks:

  • Check federal incorporation status if the supplier claims it.
  • Ask for WSIB coverage or a clearance certificate where relevant.
  • Name the order desk contact and the route that reaches them.

Run the sheets per region, not per farm. Niagara, the greenhouse corridor, southwestern Ontario and the Ottawa Valley each get their own page. When one region has a bad week, you know exactly where to shift volume.

Tie the sheets to a buying calendar. Review everything in February for the spring window, in May for summer, and in August for autumn. Add delivery logs for the first three orders from each grower, covering stem length and count accuracy.

If you want to see how other shops structure supplier relationships, our list of florists to watch includes operations that publish their sourcing approach.

Common questions

Do Ontario flower farms sell directly to small florists?
Many do, including Country Cut Flowers in Newmarket and the Valley growers at the Ottawa Farmers' Market. Minimums are usually lower than greenhouse suppliers, but delivery is less frequent.
What is the Ontario Flower Growers Co-operative and should I join?
It is a co-operative channel based in Mississauga that consolidates Ontario-grown cut flowers. It suits shops that want several farms on one invoice and one delivery rather than many accounts.
How do I check a flower supplier is a real registered business?
Search the legal name and any operating name on the Ontario Business Registry, and confirm the entity is active and in good standing. Run the federal corporations search if the supplier claims federal incorporation. Ask for the CRA business number and check the invoice name matches the registered one. A supplier in neither register is one to avoid.
When are Ontario peonies available?
The field window runs roughly late May to mid June, with Niagara starting first and the Ottawa Valley later. Book volume in February, because the window is short.
Can I get Ontario-grown flowers in Toronto in January?
Yes, from the greenhouse corridor around Vaughan and Stouffville, and from growers such as Pioneer Flower Farms in Beamsville. Field material is not available.
What payment terms are normal for Ontario growers?
Prepay or net 7 is common with small farms, and net 14 to net 30 with larger greenhouse operations after a credit check. Get the terms in writing every time.

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